The Valve,pressure Equalizing,gaseou, cataloged under National Stock Number 4820-01-297-5089, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Aptiv Services 3 (us), Llc. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-297-5089 |
| Primary Part Number | 1147734S |
| Item Name | Valve,pressure Equalizing,gaseou |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Aptiv Services 3 (us), Llc |
| Status | ACTIVE |
| Flow Control Device | PLUG |
| Material Document and Classification | QQ-B-626, COMP 2 FED SPEC SINGLE MATERIAL RESPONSE BODY |
| Material | STEEL CORROSION RESISTING FLOW CONTROL DEVICE |
| Material | COPPER ALLOY 260 BODY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1147734S PRIMARY | Aptiv Services 3 (us), Llc (USA) |
| 0631C0042 | Lockheed Martin Corporation Div Rms (USA) |
| Reference | Meaning |
|---|---|
| 467-0046-001 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 0631C0042 | 5/9 Secondary reference Martin Marietta Technologies Inc Sub of Martin Marietta Corp Aero and Naval Systems |
NSN 4820-01-297-5089 is a Valve,pressure Equalizing,gaseou, manufactured by Aptiv Services 3 (us), Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-297-5089 has 2 manufacturer part numbers on file: 1147734S (Aptiv Services 3 (us), Llc), 0631C0042 (Lockheed Martin Corporation Div Rms).
Key specifications for 1147734S: Flow Control Device: PLUG; Material Document and Classification: QQ-B-626, COMP 2 FED SPEC SINGLE MATERIAL RESPONSE BODY; Special Features: CARTRIDGE TYPE; Material: STEEL CORROSION RESISTING FLOW CONTROL DEVICE. 4 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.